Driver for solar cell I-V characteristic plots

Details Driver for solar cell I-V characteristic plots Driver for solar cell I-V characteristic plots

1978-07-26

1980-01-15

Tokar, M.

Electricity: measuring and testing

Electric lamp or discharge device

Cathode-ray tube

324158D, G01R 3124

Patent

active

041841115

ABSTRACT:
A bipolar voltage ramp generator applies a linear voltage through a resistor to a solar cell for plotting its current versus voltage (I-V) characteristic between short circuit and open circuit conditions, with automatic stops at the end points. The resistor serves the multiple purpose of providing a current sensing resistor, setting the full-scale current value, and providing a load line with a slope approximately equal to one, such that it will pass through the origin and the approximate center of the I-V curve with about equal distance from that center to each of the end points.

REFERENCES:
patent: 3745454 (1973-07-01), Nikirk
patent: 3919639 (1975-11-01), Graff
patent: 4051437 (1977-09-01), Lile
patent: 4125806 (1978-11-01), Takata

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